The present invention relates to a workout apparatus for waist, in which a user adjusts a waist pressing board to a desired height to support a waist of the user to be enhanced, thereby correcting a waist and curved legs to be in a straight state and removing the fat in an abdominal region of a body. According to the present invention, the workout apparatus for waist includes a body, a light condensing plate (204), a charging part (206), a control part (208), and a waist massaging unit. The body is placed on a floor. The light guide plate (204) includes a plurality of light condensing battery cells which are connected with each other and fixedly installed at one side of an outer surface of the body to receive light and to convert the received light into electrical energy. The charging part (206) is installed at one side of an inner part of the body and electrically connected with the light condensing plate (204) to store electrical energy supplied from the light condensing battery cells of the light condensing plate (204). The control unit (208) is installed at one side of an inner part of the body while being spaced apart from the charging part (206) by a predetermined distance. The control unit (208) is electrically connected with the charging part (206) to receive the electrical energy (power) from the charging part (206) to control electrically connected parts according to preset program. The waist massaging unit is installed on the top surface of the body in such a manner that the height of the massaging unit is adjustable and the waist massaging unit is folded and unfolded. The waist massaging unit is electrically connected with the control unit (208) to adjust the height thereof and be unfolded and folded according to a control signal of the control unit (20), so that the waist of the user can be enhanced.COPYRIGHT KIPO 2016본 발명은 남녀노소 사용자가 원하는 높이로 허리가압보드를 조절하여 허리를 받쳐 허리를 강화함으로써 허리 교정 및 휘어진 다리를 직선으로 교정할 수 있으며 몸의 뱃살을 제거할 수 있도록 한 허리강화 운동장치에 관한 것으로, 본 발명은 바닥에 놓여
